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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int a[33],b,sum=0;
  5. a[0]=2;a[1]=-1;
  6. for(b=2;b<=32;b++)
  7. {a[b]=-a[b-1]+a[b-2]+2;
  8. if(b%4==0)
  9. sum=a[b]+sum;}
  10. printf("%d",sum+2);
  11. return 0;
  12. }
  13.  
  14.  
Success #stdin #stdout 0s 5284KB
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7651242
https://ideone.com/BP9pkk
language:
C (gcc 8.3)
created:
27 days ago
visibility:
public

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